Darryl Thinks That Playing Peek-A-Boo Is Hilarious! He Does Not

Multiple Choice

Darryl thinks that playing peek-a-boo is hilarious! He does not know where his mom goes during the game,but it excites him when he sees her face again.Darryl is most likely in Piaget's ________ stage of development.

A) preoperational
B) formal operational
C) concrete operational
D) sensorimotor